package com.qd.panda.service.info;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.info.ParkInfoPicDTO;
import com.qd.common.sys.domain.entity.upload.FileUploadDTO;
import com.qd.panda.mapper.info.ParkInfoPicMapper;
import com.qd.panda.model.ParkInfoPic;
import com.qd.system.util.FileConfirmUtil;
import com.qd.upload.constant.FileConfirmDTO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.*;

import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;

/**
 * 车位照片
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class ParkInfoPicService extends BaseService<ParkInfoPicMapper, ParkInfoPic> {

    private static final String PREFIX_ID = "panda_park_info_pic_id_{0}";
    private static final String PREFIX_LIST = "panda_park_info_pic_aId_{0}";

    private final RedisTemplateUtil<ParkInfoPic> redisTemplateUtil;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public ParkInfoPicDTO save(ParkInfoPicDTO dto) {
        final ParkInfoPic model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public ParkInfoPicDTO update(ParkInfoPicDTO dto) {
        final ParkInfoPic historyModel = Optional.ofNullable(getById(dto.getId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final ParkInfoPic model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<ParkInfoPic> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<ParkInfoPic> mList) {
        final List<String> ids = mList.stream().map(ParkInfoPic::getId).collect(toList());
        final List<ParkInfoPic> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param id 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String id) {
        final ParkInfoPic historyModel = Optional.ofNullable(getById(id)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(id)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<ParkInfoPic> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(ParkInfoPicDTO dto) {
        final QueryWrapper<ParkInfoPic> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param id 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String id) {
        boolean exists = false;
        if (StringUtils.hasLength(id)) {
            final ParkInfoPic model = getById(id);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param id 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public ParkInfoPic getById(String id) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, id);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(id), ParkInfoPic.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param id 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public ParkInfoPicDTO getByIdDto(String id) {
        return Optional.ofNullable(getById(id)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public ParkInfoPic getOne(ParkInfoPicDTO dto) {
        final QueryWrapper<ParkInfoPic> queryWrapper = createQueryWrapper(dto);
        ParkInfoPic model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public ParkInfoPicDTO getOneDto(ParkInfoPicDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<ParkInfoPic> getList(ParkInfoPicDTO dto) {
        final QueryWrapper<ParkInfoPic> queryWrapper = createQueryWrapper(dto);
        final List<ParkInfoPic> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<ParkInfoPicDTO> getListDto(ParkInfoPicDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<ParkInfoPicDTO> page(Page<ParkInfoPic> page, ParkInfoPicDTO dto) {
        final QueryWrapper<ParkInfoPic> queryWrapper = createQueryWrapper(dto);
        Page<ParkInfoPic> iPage = baseMapper.selectPage(page, queryWrapper);
        Optional.ofNullable(iPage.getRecords()).ifPresent(this::modelToDtoList);
        queryWrapper.clear();
        return iPage.convert(this::modelToDto);
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(ParkInfoPic model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getId()));
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_LIST, model.getAid()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<ParkInfoPic> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
        Set<String> aidList = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_LIST, model.getAid())).collect(toSet());
        if (!aidList.isEmpty()) {
            redisTemplateUtil.deleteByKey(aidList);
            aidList.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public ParkInfoPicDTO modelToDto(ParkInfoPic model) {
        if (null == model) {
            return null;
        }
        final ParkInfoPicDTO dto = new ParkInfoPicDTO();
        dto.setId(model.getId());
        dto.setPicName(model.getPicName());
        dto.setPicPath(model.getPicPath());
        dto.setIdx(model.getIdx());
        dto.setAid(model.getAid());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public ParkInfoPic dtoToModel(ParkInfoPicDTO dto) {
        if (null == dto) {
            return null;
        }
        final ParkInfoPic model = new ParkInfoPic();
        model.setId(dto.getId());
        model.setPicName(dto.getPicName());
        model.setPicPath(dto.getPicPath());
        model.setIdx(dto.getIdx());
        model.setAid(dto.getAid());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(ParkInfoPicDTO dto) {
        dto.setPicPath(FileConfirmUtil.getFilePath(dto.getPicPath(), dto.getPicName()));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<ParkInfoPicDTO> modelToDtoList(List<ParkInfoPic> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<ParkInfoPic> dtoToModelList(List<ParkInfoPicDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<ParkInfoPic> createQueryWrapper(ParkInfoPicDTO dto) {
        final QueryWrapper<ParkInfoPic> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(dto.getPicName())) {
                queryWrapper.eq("pic_name", dto.getPicName());
            }
            if (StringUtils.hasLength(dto.getPicPath())) {
                queryWrapper.eq("pic_path", dto.getPicPath());
            }
            if (StringUtils.hasLength(dto.getAid())) {
                queryWrapper.eq("aid", dto.getAid());
            }
        }
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<ParkInfoPic> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<ParkInfoPic> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(ParkInfoPic::getId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    @Transactional(readOnly = true)
    public List<ParkInfoPic> getListByAid(String aid) {
        return redisTemplateUtil.getList(new CacheKey().setKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_LIST, aid)), () -> {
            QueryWrapper<ParkInfoPic> queryWrapper = new QueryWrapper<>();
            queryWrapper.eq("aid", aid);
            queryWrapper.orderByAsc("idx");
            List<ParkInfoPic> list = getBaseMapper().selectList(queryWrapper);
            queryWrapper.clear();
            return list;
        }, ParkInfoPic.class);
    }

    @Transactional(readOnly = true)
    public List<ParkInfoPicDTO> getListByAidDTO(String aid) {
        return modelToDtoList(getListByAid(aid));
    }


    @Transactional(rollbackFor = Exception.class)
    public void deleteByAid(String aid) {
        List<ParkInfoPic> list = getListByAid(aid);
        if (!list.isEmpty()) {
            List<String> ids = list.stream().map(ParkInfoPic::getId).collect(toList());
            removeBatchIds(ids);
            ids.clear();
            list.clear();
        }
    }

    @Transactional(rollbackFor = Exception.class)
    public void saveList(String aid, List<ParkInfoPicDTO> list) {
        List<ParkInfoPic> collect = list.stream().filter(dto -> {
            if (StringUtils.hasLength(dto.getPicPath())) {
                return !dto.getPicPath().startsWith(ConstantDto.HTTP) && !dto.getPicPath().equals(ConstantDto.HTTPS);
            }
            return true;
        }).map(dto -> buildParkInfoPic(aid, dto)).collect(toList());
        if (!collect.isEmpty()) {
            saveBatch(collect);
        }
    }

    public ParkInfoPic buildParkInfoPic(String aid, ParkInfoPicDTO dto) {
        if (!StringUtils.hasLength(dto.getId())) {
            throw new ApiException("文件ID不能为空");
        }
        FileUploadDTO fileUploadDto = new FileUploadDTO();
        fileUploadDto.setId(dto.getId());
        fileUploadDto.setAttachmentType(ConstantDto.ATTACHMENTTYPE_2);

        ParkInfoPic model = new ParkInfoPic();
        FileConfirmDTO fileConfirmDto = FileConfirmUtil.singleFileConfirm(fileUploadDto.getId(), fileUploadDto.getAttachmentType());
        if (null == fileConfirmDto) {
            throw new ApiException("文件ID不存在[" + fileUploadDto.getId() + "]");
        }
        model.setId(dto.getId());
        model.setAid(aid);
        if (null != dto.getIdx() && dto.getIdx() > 0) {
            model.setIdx(dto.getIdx());
        }
        model.setPicPath(fileConfirmDto.getOfficialFile());
        if (StringUtils.hasLength(dto.getPicName())) {
            model.setPicName(dto.getPicName());
        } else {
            model.setPicName(fileConfirmDto.getFileName());
        }
        return model;
    }
}